﻿//////////////////////////////////////////////////////////////////////////////
//
// Copyright © 1998-2024 Glodon Company Limited.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the “Software”),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//////////////////////////////////////////////////////////////////////////////
#include "SelectionChangeEventHandler.h"

#include "IControl.h"
#include "ILabelDefinition.h"
#include "IMainWindow.h"
#include "ISelection.h"
#include "IStatusBar.h"
#include "IStatusBarPanel.h"
#include "ISelectionChangeEventArgs.h"
#include "CommandIds.h"
#include "EnableCompileWarning_The_LAST_IncludeInCpp.h"

using namespace Sample;
using namespace gcmp;

void SelectionChangeEventHandler::On(gcmp::ISelectionChangeEventArgs* pArgs)
{
    if (pArgs == nullptr)
    {
        return;
    }

    SetPromptOfElementSelected();
}

void SelectionChangeEventHandler::SetPromptOfElementSelected()
{
    ISelection* pSelection = ISelection::Get();
    if (pSelection == nullptr)
    {
        return;
    }

    this->SetPromptOfElementSelected(pSelection->GetCount());
}

void SelectionChangeEventHandler::SetPromptOfElementSelected(UINT elementCount)
{
    IMainWindow* pMainWnd = IMainWindow::GetMainWindow();
    if (nullptr == pMainWnd)
    {
        return;
    }

    IStatusBar* pStatusBar = pMainWnd->GetStatusBar();
    if (nullptr == pStatusBar)
    {
        return;
    }

    IStatusBarPanel* pStatusPanel = pStatusBar->GetPanel(STATUSBAR_SELECTION_COUNT);
    if (nullptr == pStatusPanel)
    {
        return;
    }

    IControl* pControl = pStatusPanel->GetControl(STATUSBAR_SELECTION_COUNT);
    if (nullptr == pControl)
    {
        return;
    }

    ILabelDefinition* pLabelDefine = dynamic_cast<ILabelDefinition*>(pControl->GetControlDefinition());
    if (nullptr == pLabelDefine)
    {
        return;
    }
    pLabelDefine->SetCaption(elementCount>0? (L"已选中构件：" + std::to_wstring(elementCount)+L"个") : L"");

    return;
}
